package collection;

import java.util.ArrayList;
import java.util.List;

public class ListDemo1 {
	public static void main(String[] args) {
		List<String> list = new ArrayList<>();
		list.add("one");
		list.add("two");
		list.add("three");
		list.add("four");
		list.add("five");
		list.add("one");
		System.out.println("list:"+list);
		
		String e = list.get(3);
		System.out.println(e);
		
		list.set(2,"six");
		System.out.println("list:"+list);
		String old = list.set(4,"seve");
		System.out.println(old);
		System.out.println("list:"+list);
	}
}
